90660038 has 8 divisors (see below), whose sum is σ = 155417232. Its totient is φ = 38854296.

The previous prime is 90660029. The next prime is 90660041. The reversal of 90660038 is 83006609.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×90660038² = 16438484980322888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90659986 and 90660013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3237845 + ... + 3237872.

It is an arithmetic number, because the mean of its divisors is an integer number (19427154).

Almost surely, 2^90660038 is an apocalyptic number.

90660038 is a deficient number, since it is larger than the sum of its proper divisors (64757194).

90660038 is a wasteful number, since it uses less digits than its factorization.

90660038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475726.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 90660038 is about 9521.5564904064. The cubic root of 90660038 is about 449.2333249932.

The spelling of 90660038 in words is "ninety million, six hundred sixty thousand, thirty-eight".